83 строки
3.1 KiB
C++
83 строки
3.1 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsMemoryImpl_h__
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#define nsMemoryImpl_h__
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#include "nsIMemory.h"
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#include "prlock.h"
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#include "plevent.h"
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// nsMemoryImpl is a static object. We can do this because it doesn't have
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// a constructor/destructor or any instance members. Please don't add
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// instance member variables, only static member variables.
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class nsMemoryImpl : public nsIMemory
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{
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public:
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// We don't use the generic macros because we are a special static object
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NS_IMETHOD QueryInterface(REFNSIID aIID, void** aResult);
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NS_IMETHOD_(nsrefcnt) AddRef(void) { return 1; }
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NS_IMETHOD_(nsrefcnt) Release(void) { return 1; }
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NS_DECL_NSIMEMORY
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static NS_HIDDEN_(nsresult) Startup();
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static NS_HIDDEN_(void) Shutdown();
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static NS_METHOD Create(nsISupports* outer,
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const nsIID& aIID, void **aResult);
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NS_HIDDEN_(nsresult) FlushMemory(const PRUnichar* aReason, PRBool aImmediate);
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protected:
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struct FlushEvent {
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PLEvent mEvent;
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const PRUnichar* mReason;
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};
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NS_HIDDEN_(nsresult) RunFlushers(const PRUnichar* aReason);
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static NS_HIDDEN_(void*) PR_CALLBACK HandleFlushEvent(PLEvent* aEvent);
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static NS_HIDDEN_(void) PR_CALLBACK DestroyFlushEvent(PLEvent* aEvent);
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static PRLock* sFlushLock;
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static PRBool sIsFlushing;
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static FlushEvent sFlushEvent;
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};
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#endif // nsMemoryImpl_h__
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